How to Repair Rotted Forest

Rebuild and restore rotted wood without replacing it.

Introduction

Use a polyester filler to rebuild rotted or damaged wood. You can mold and shape it to match the original wood profile. It takes paint well and won't rot.

Tools Required

Materials Required

  • 100-dust sandpaper
  • Polyester filler
  • Wood hardener (consolidant)

Project stride-by-step (3)

Step 1

Repair wood with polyester filler: Apply wood hardener and filler

filler

To repair rotted door frame, get-go remove rotted wood with a 5-in-one or other sharp tool. And then coat the rotted door frame expanse with wood hardener every bit shown. Mix polyester wood filler or Bondo wood filler and press it into the recess with a putty knife.

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Stride two

Shape and smoothen

knife

Cleave the partially hardened sagging Bondo wood filler with a putty knife or chisel. Add another layer of filler if necessary to the rotted door frame.

If you've done whatsoever auto body repair, you've probably worked with ii-part polyester filler. Minwax High Functioning Wood Filler is one brand formulated for wood repair, but a gallon container of Bondo woods filler or some other brand of two-part machine torso polyester will besides work and may be less expensive for larger fixes.

The process for repairing wood is much the same whether yous're using polyester filler or epoxy. Instead of epoxy consolidant, yous'll use High Performance Forest Hardener to solidify and strengthen the woods fibers (Photograph 1). Polyester begins hardening faster than Abatron WoodEpox. Depending on the temperature, y'all'll have about x to 15 minutes to work earlier the filler starts to harden.

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Step 3

Smooth out the repair

Pocket Plane

Likewise, different WoodEpox, polyester tends to sag when you're doing vertical repairs. One trick is to build a form and line it with plastic sheeting. Press the form against the filler and adhere it with screws. Then pull it off after the filler hardens. Or yous can expect until the sagging filler reaches the hardness of soap and carve it off with a putty knife or chisel or shape it with a Surform plane or rasp (Photo ii). About medium to large repairs will require at least two layers of filler. Complete the repair by sanding and priming the filled area and and then painting.

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Originally Published: February 11, 2022